度冷丁 ,又名盐酸哌替啶 ,为合成的苯基哌啶类强效镇痛药 ,镇痛作用强度为吗啡的 1/10～ 1/10 0 ,但作用出现快 ,成瘾性较少 ,故临床上对于病因明确的急性疼痛应用较多。临床报道其治疗量范围内极少引起呼吸抑制 ,笔者曾遇到 1例由于肌注小剂量度冷丁致中度昏迷 ,现报道如下 :1 Gemcitabine, also known as pethidine hydrochloride, is a potent phenylpiperidine analgesic for analgesics with an analgesic potency of 1/10 to 1/10 0 of morphine, but appears to be fast acting and less addictive , So the clinical application of clear acute pain more. Clinically reported within the scope of its treatment rarely cause respiratory depression, I have encountered a case of intramuscular injection of small doses of cold caused by moderate coma, are reported as follows: 1